#include<stdio.h>
int main()
{
    int a, b, * p1, * p2;
    p1 = &a;
    p2 = &b;
    a = 5;
    b = 7;
    printf("a=%d,b=%d,p1=%d,p2=%d\n", a, b, p1, p2);
    printf("&a=%d,*&a=%d,&b=%d,*&b=%d\n", &a, *&a, &b, *&b);
    return 0;
}